Hey Rohit,

I understand that it is hard to get some answers of history. You need not worry. I'm providing a link below on which you will be able to find all the answers:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://answers.squarespace.com/questions/index.html&ved=2ahUKEwi3juSG3tHjAhUq7HMBHXr8CgcQFjAOegQIAhAB&usg=AOvVaw1aBLeawZyS9neJb0X0rRD8

                                    OR

https://www.google.com/url?sa=t&source=web&rct=j&url=https://study.com/learn/history-questions-and-answers.html&ved=2ahUKEwi3juSG3tHjAhUq7HMBHXr8CgcQFjAQegQIARAB&usg=AOvVaw3uqOI92OUijfWjBrqU_MNy

Some apps that are useful and I suggest would suggest you to use are:

• Vokal- The question answer app
• The answer app

Hope this helps. 

All the best.